ZombieLoad Attack: Intel Exploits You... Again!
grarpamp at gmail.com
Wed May 15 07:24:56 UTC 2019
See linux patches in and update your microcode, ports, etc.
Watch out! Your processor resurrects your private browsing-history and
other sensitive data.
After Meltdown, Spectre, and Foreshadow, we discovered more critical
vulnerabilities in modern processors. The ZombieLoad attack allows
stealing sensitive data and keys while the computer accesses them.
While programs normally only see their own data, a malicious program
can exploit the fill buffers to get hold of secrets currently
processed by other running programs. These secrets can be user-level
secrets, such as browser history, website content, user keys, and
passwords, or system-level secrets, such as disk encryption keys.
The attack does not only work on personal computers but can also be
exploited in the cloud.
We verified the ZombieLoad attack on Intel processor generations
released from 2011 onwards.
ZombieLoad in Action
In our demo, we show how an attacker can monitor the websites the
victim is visiting despite using the privacy-protecting Tor browser in
a virtual machine.
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